Splat in 5.13.12: WARNING at drivers/gpu/drm/drm_syncobj.c:400 drm_syncobj_find_fence
From: Ilkka Prusi
Date: Thu Aug 19 2021 - 09:51:52 EST
Hi,
New splat in 5.13.12 when starting a game under Proton (Cyberpunk 2077).
Running it through decode_stacktrace.sh gives following:
[83637.013059] WARNING: CPU: 1 PID: 66899 at
drivers/gpu/drm/drm_syncobj.c:400 drm_syncobj_find_fence
(drivers/gpu/drm/drm_syncobj.c:400) drm
[83637.013109] Modules linked in: uinput(E) nfnetlink(E) binfmt_misc(E)
nls_ascii(E) nls_cp850(E) vfat(E) fat(E) amdgpu(E) intel_rapl_msr(E)
intel_rapl_common(E) iosf_mbi(E) edac_mce_amd(E)
snd_hda_codec_realtek(E) snd_hda_codec_generic(E) kvm_amd(E)
ledtrig_audio(E) gpu_sched(E) snd_hda_codec_hdmi(E) drm_ttm_helper(E)
hid_sony(E) ff_memless(E) kvm(E) ttm(E) snd_hda_intel(E)
snd_intel_dspcfg(E) snd_usb_audio(E) drm_kms_helper(E) snd_hda_codec(E)
snd_usbmidi_lib(E) snd_hda_core(E) snd_rawmidi(E) snd_hwdep(E) igb(E)
snd_seq_device(E) mc(E) irqbypass(E) syscopyarea(E) snd_pcm(E)
sysfillrect(E) crct10dif_pclmul(E) crc32_pclmul(E) sysimgblt(E)
fb_sys_fops(E) snd_timer(E) ghash_clmulni_intel(E) snd(E) aesni_intel(E)
ccp(E) soundcore(E) dca(E) cec(E) i2c_algo_bit(E) crypto_simd(E)
cryptd(E) k10temp(E) i2c_piix4(E) rng_core(E) button(E) wmi_bmof(E)
sg(E) rapl(E) acpi_cpufreq(E) efi_pstore(E) wmi(E) nfsd(E)
auth_rpcgss(E) drm(E) nfs_acl(E) lockd(E) msr(E) grace(E) agpgart(E)
[83637.013159] sunrpc(E) fuse(E) configfs(E) efivarfs(E) ip_tables(E)
x_tables(E) ipv6(E) autofs4(E) efivars(E) raid10(E) raid456(E)
libcrc32c(E) async_raid6_recov(E) async_memcpy(E) async_pq(E)
async_xor(E) xor(E) async_tx(E) raid6_pq(E) raid1(E) raid0(E)
multipath(E) linear(E) md_mod(E) input_leds(E) joydev(E) evdev(E)
hid_generic(E) usbhid(E) hid(E) xhci_pci(E) xhci_hcd(E) crc32c_intel(E)
sd_mod(E) t10_pi(E) usbcore(E) thermal(E)
[83637.013193] CPU: 1 PID: 66899 Comm: GameThread Tainted: G
E 5.13.12 #75
[83637.013197] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS
ELITE/X570 AORUS ELITE, BIOS F21 08/20/2020
[83637.013202] RIP: 0010:drm_syncobj_find_fence
(drivers/gpu/drm/drm_syncobj.c:400) drm
[83637.013225] Code: 66 66 48 31 c0 8b 0d 9b 10 d2 e1 85 c9 0f 84 81 fd
ff ff 65 48 8b 04 25 80 6e 01 00 8b 90 60 08 00 00 85 d2 0f 84 6a fd ff
ff <0f> 0b e9 63 fd ff ff be 03 00 00 00 48 89 ef e8 3c 42 01 e1 e9 6b
All code
========
0: 66 66 48 31 c0 data16 data16 xor %rax,%rax
5: 8b 0d 9b 10 d2 e1 mov -0x1e2def65(%rip),%ecx #
0xffffffffe1d210a6
b: 85 c9 test %ecx,%ecx
d: 0f 84 81 fd ff ff je 0xfffffffffffffd94
13: 65 48 8b 04 25 80 6e mov %gs:0x16e80,%rax
1a: 01 00
1c: 8b 90 60 08 00 00 mov 0x860(%rax),%edx
22: 85 d2 test %edx,%edx
24: 0f 84 6a fd ff ff je 0xfffffffffffffd94
2a:* 0f 0b ud2 <-- trapping instruction
2c: e9 63 fd ff ff jmpq 0xfffffffffffffd94
31: be 03 00 00 00 mov $0x3,%esi
36: 48 89 ef mov %rbp,%rdi
39: e8 3c 42 01 e1 callq 0xffffffffe101427a
3e: e9 .byte 0xe9
3f: 6b .byte 0x6b
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e9 63 fd ff ff jmpq 0xfffffffffffffd6a
7: be 03 00 00 00 mov $0x3,%esi
c: 48 89 ef mov %rbp,%rdi
f: e8 3c 42 01 e1 callq 0xffffffffe1014250
14: e9 .byte 0xe9
15: 6b .byte 0x6b
[83637.013228] RSP: 0018:ffffc90003947ae0 EFLAGS: 00010202
[83637.013231] RAX: ffff8881078aaf80 RBX: ffffc90003947c00 RCX:
0000000000000001
[83637.013233] RDX: 0000000000000001 RSI: ffff88826faa4d40 RDI:
000000012a05f200
[83637.013236] RBP: ffff8883c15aff80 R08: 0000000000000000 R09:
0000000000000001
[83637.013238] R10: 0000000000000000 R11: 0000000000000000 R12:
00000000000004e2
[83637.013239] R13: 0000000000000002 R14: ffffc90003947b70 R15:
0000000000000001
[83637.013241] FS: 000000007ba23700(0000) GS:ffff88842e840000(0000)
knlGS:000000013fe10000
[83637.013244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[83637.013246] CR2: 00007f2ad002b048 CR3: 00000001862a0000 CR4:
00000000001506e0
[83637.013248] Call Trace:
[83637.013255] ? find_held_lock (kernel/locking/lockdep.c:5121)
[83637.013264] ? amdgpu_ctx_wait_prev_fence
(drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c:550) amdgpu
[83637.013485] ? lock_release (kernel/locking/lockdep.c:5306
kernel/locking/lockdep.c:5648)
[83637.013490] amdgpu_syncobj_lookup_and_add_to_sync
(drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1010) amdgpu
[83637.013602] amdgpu_cs_ioctl
(drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1058
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1173
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1316) amdgpu
[83637.013730] ? amdgpu_cs_find_mapping
(drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1289) amdgpu
[83637.013827] drm_ioctl_kernel (drivers/gpu/drm/drm_ioctl.c:794) drm
[83637.013849] drm_ioctl (./include/linux/thread_info.h:184
./include/linux/thread_info.h:217 ./include/linux/uaccess.h:199
drivers/gpu/drm/drm_ioctl.c:892) drm
[83637.013869] ? amdgpu_cs_find_mapping
(drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1289) amdgpu
[83637.013966] ? __pm_runtime_resume (drivers/base/power/runtime.c:1114)
[83637.013970] ? lock_release (kernel/locking/lockdep.c:5306
kernel/locking/lockdep.c:5648)
[83637.013974] ? _raw_spin_unlock_irqrestore
(./arch/x86/include/asm/irqflags.h:139
./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:191)
[83637.013979] amdgpu_drm_ioctl
(drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:1657) amdgpu
[83637.014087] __x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:1069
fs/ioctl.c:1055 fs/ioctl.c:1055)
[83637.014092] do_syscall_64 (arch/x86/entry/common.c:47)
[83637.014097] entry_SYSCALL_64_after_hwframe
(arch/x86/entry/entry_64.S:112)
[83637.014100] RIP: 0033:0x7f2b34be3cc7
[83637.014102] Code: 00 00 00 48 8b 05 c9 91 0c 00 64 c7 00 26 00 00 00
48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 99 91 0c 00 f7 d8 64 89 01 48
All code
========
0: 00 00 add %al,(%rax)
2: 00 48 8b add %cl,-0x75(%rax)
5: 05 c9 91 0c 00 add $0xc91c9,%eax
a: 64 c7 00 26 00 00 00 movl $0x26,%fs:(%rax)
11: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
18: c3 retq
19: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
20: 00 00 00
23: b8 10 00 00 00 mov $0x10,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
<-- trapping instruction
30: 73 01 jae 0x33
32: c3 retq
33: 48 8b 0d 99 91 0c 00 mov 0xc9199(%rip),%rcx # 0xc91d3
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 retq
9: 48 8b 0d 99 91 0c 00 mov 0xc9199(%rip),%rcx # 0xc91a9
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[83637.014105] RSP: 002b:000000007ba1f338 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[83637.014108] RAX: ffffffffffffffda RBX: 000000007ba1f3b0 RCX:
00007f2b34be3cc7
[83637.014110] RDX: 000000007ba1f3b0 RSI: 00000000c0186444 RDI:
0000000000000050
[83637.014111] RBP: 00000000c0186444 R08: 00007f2ad002afc0 R09:
000000007ba1f588
[83637.014113] R10: 000000007f575130 R11: 0000000000000246 R12:
00007f2ad002af80
[83637.014114] R13: 0000000000000050 R14: 0000000000000000 R15:
00007f2ad002b050
[83637.014118] ---[ end trace 7f72697a74b7383e ]---
Using:
Linux version 5.13.12 (..) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU
ld (GNU Binutils for Debian) 2.35.2) #75 SMP PREEMPT Wed Aug 18 13:04:15
EEST 2021
09:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Vega 10 XL/XT [Radeon RX Vega 56/64] (rev c3)
--
- Ilkka